Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665530 | Silver halide emulsion and photographic material using the same | Takayoshi Oyamada, Takekimi Shiozawa | 1997-09-09 |
| 5652088 | Silver halide photographic material | Hirohiko Tsuzuki, Tadashi Ito | 1997-07-29 |
| 5641620 | Silver halide emulsion, process for preparing the same, and silver halide photographic materials containing the same | Takayoshi Oyamada, Mitsuo Saitou | 1997-06-24 |
| 5637446 | Silver halide emulsion and photographic material having the same | — | 1997-06-10 |